<?php
/**
 * This file belongs to the YIT Plugin Framework.
 *
 * This source file is subject to the GNU GENERAL PUBLIC LICENSE (GPL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.txt
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
} // Exit if accessed directly

if ( ! function_exists( 'yit_plugin_locate_template' ) ) {
    /**
     * Locate the templates and return the path of the file found
     *
     * @param string $plugin_basename
     * @param string $path
     * @param array  $var
     *
     * @return string
     * @since 2.0.0
     */
    function yit_plugin_locate_template( $plugin_basename, $path, $var = NULL ) {

        $template_path = '/theme/templates/' . $path;

        $located = locate_template( array(
            $template_path
        ) );

        if ( ! $located ) {
            $located = $plugin_basename . '/templates/' . $path;
        }

        return $located;
    }

}

if ( ! function_exists( 'yit_plugin_get_template' ) ) {
    /**
     * Retrieve a template file.
     *
     * @param string $plugin_basename
     * @param string $path
     * @param mixed  $var
     * @param bool   $return
     *
     * @return string
     * @since 2.0.0
     */
    function yit_plugin_get_template( $plugin_basename, $path, $var = null, $return = false ) {

        $located = yit_plugin_locate_template( $plugin_basename, $path, $var );

        if ( $var && is_array( $var ) ) {
            extract( $var );
        }

        if ( $return ) {
            ob_start();
        }

        // include file located
        if( file_exists( $located ) ){
            include( $located );
        }

        if ( $return ) {
            return ob_get_clean();
        }
    }
}

if ( ! function_exists( 'yit_plugin_content' ) ) {
    /**
     * Return post content with read more link (if needed)
     *
     * @param string     $what
     * @param int|string $limit
     * @param string     $more_text
     * @param string     $split
     * @param string     $in_paragraph
     *
     * @return string
     * @since 2.0.0
     */
    function yit_plugin_content( $what = 'content', $limit = 25, $more_text = '', $split = '[...]', $in_paragraph = 'true' ) {
        if ( $what == 'content' ) {
            $content = get_the_content( $more_text );
        }
        else {
            if ( $what == 'excerpt' ) {
                $content = get_the_excerpt();
            }
            else {
                $content = $what;
            }
        }

        if ( $limit == 0 ) {
            if ( $what == 'excerpt' ) {
                $content = apply_filters( 'the_excerpt', $content );
            }
            else {
                $content = preg_replace( '/<img[^>]+./', '', $content ); //remove images
                $content = apply_filters( 'the_content', $content );
                $content = str_replace( ']]>', ']]&gt;', $content );
            }

            return $content;
        }

        // remove the tag more from the content
        if ( preg_match( "/<(a)[^>]*class\s*=\s*(['\"])more-link\\2[^>]*>(.*?)<\/\\1>/", $content, $matches ) ) {

            if ( strpos( $matches[0], '[button' ) ) {
                $more_link = str_replace( 'href="#"', 'href="' . get_permalink() . '"', do_shortcode( $matches[3] ) );
            }
            else {
                $more_link = $matches[0];
            }

            $content = str_replace( $more_link, '', $content );
            $split   = '';
        }

        if ( empty( $content ) ) {
            return;
        }
        $content = explode( ' ', $content );

        if ( ! empty( $more_text ) && ! isset( $more_link ) ) {
            //array_pop( $content );
            $more_link = strpos( $more_text, '<a class="btn"' ) ? $more_text : '<a class="read-more' . apply_filters( 'yit_simple_read_more_classes', ' ' ) . '" href="' . get_permalink() . '">' . $more_text . '</a>';
            $split     = '';
        }
        elseif ( ! isset( $more_link ) ) {
            $more_link = '';
        }

        // split
        if ( count( $content ) >= $limit ) {
            $split_content = '';
            for ( $i = 0; $i < $limit; $i ++ ) {
                $split_content .= $content[$i] . ' ';
            }

            $content = $split_content . $split;
        }
        else {
            $content = implode( " ", $content );
        }

        // TAGS UNCLOSED
        $tags = array();
        // get all tags opened
        preg_match_all( "/(<([\w]+)[^>]*>)/", $content, $tags_opened, PREG_SET_ORDER );
        foreach ( $tags_opened as $tag ) {
            $tags[] = $tag[2];
        }

        // get all tags closed and remove it from the tags opened.. the rest will be closed at the end of the content
        preg_match_all( "/(<\/([\w]+)[^>]*>)/", $content, $tags_closed, PREG_SET_ORDER );
        foreach ( $tags_closed as $tag ) {
            unset( $tags[array_search( $tag[2], $tags )] );
        }

        // close the tags
        if ( ! empty( $tags ) ) {
            foreach ( $tags as $tag ) {
                $content .= "</$tag>";
            }
        }

        //$content = preg_replace( '/\[.+\]/', '', $content );
        if ( $in_paragraph == true ): $content .= $more_link; endif;
        $content = preg_replace( '/<img[^>]+./', '', $content ); //remove images
        $content = apply_filters( 'the_content', $content );
        $content = str_replace( ']]>', ']]&gt;', $content ); // echo str_replace( array( '<', '>' ), array( '&lt;', '&gt;' ), $content );
        if ( $in_paragraph == false ): $content .= $more_link; endif;

        return $content;
    }
}

if ( ! function_exists( 'yit_plugin_string' ) ) {
    /**
     * Simple echo a string, with a before and after string, only if the main string is not empty.
     *
     * @param string $before What there is before the main string
     * @param string $string The main string. If it is empty or null, the functions return null.
     * @param string $after  What there is after the main string
     * @param bool   $echo   If echo or only return it
     *
     * @return string The complete string, if the main string is not empty or null
     * @since 2.0.0
     */
    function yit_plugin_string( $before = '', $string = '', $after = '', $echo = true ) {
        $html = '';

        if ( $string != '' AND ! is_null( $string ) ) {
            $html = $before . $string . $after;
        }

        if ( $echo ) {
            echo $html;
        }

        return $html;
    }
}

if ( ! function_exists( 'yit_plugin_decode_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string $title The string to convert
     *
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_plugin_decode_title( $title ) {
        $replaces = apply_filters( 'yit_title_special_characters', array() );

        return preg_replace( array_keys( $replaces ), array_values( $replaces ), $title );
    }
}

if ( ! function_exists( 'yit_plugin_get_attachment_id' ) ) {

    /**
     * Return the ID of an attachment.
     *
     * @param string $url
     *
     * @return int
     *
     * @since 2.0.0
     */

    function yit_plugin_get_attachment_id( $url ) {

        $upload_dir = wp_upload_dir();
        $dir        = trailingslashit( $upload_dir['baseurl'] );

        if ( false === strpos( $url, $dir ) ) {
            return false;
        }

        $file = basename( $url );

        $query = array(
            'post_type'  => 'attachment',
            'fields'     => 'ids',
            'meta_query' => array(
                array(
                    'value'   => $file,
                    'compare' => 'LIKE',
                )
            )
        );

        $query['meta_query'][0]['key'] = '_wp_attached_file';
        $ids                           = get_posts( $query );

        foreach ( $ids as $id ) {
            $attachment_image = wp_get_attachment_image_src( $id, 'full' );
            if ( $url == array_shift( $attachment_image ) || $url == str_replace( 'https://', 'http://', array_shift( $attachment_image ) ) ) {
                return $id;
            }
        }
        $query['meta_query'][0]['key'] = '_wp_attachment_metadata';
        $ids                           = get_posts( $query );

        foreach ( $ids as $id ) {

            $meta = wp_get_attachment_metadata( $id );
            if ( ! isset( $meta['sizes'] ) ) {
                continue;
            }

            foreach ( (array) $meta['sizes'] as $size => $values ) {
                if ( $values['file'] == $file && $url == str_replace( 'https://', 'http://', array_shift( wp_get_attachment_image_src( $id, $size ) ) ) ) {

                    return $id;
                }
            }
        }

        return false;
    }
}

if ( ! function_exists( 'yit_enqueue_script' ) ) {
    /**
     * Enqueues script.
     *
     * Registers the script if src provided (does NOT overwrite) and enqueues.
     *
     * @since  2.0.0
     * @author Simone D'Amico <simone.damico@yithemes.com>
     * @see    yit_register_script() For parameter information.
     */
    function yit_enqueue_script( $handle, $src, $deps = array(), $ver = false, $in_footer = true ) {

        if ( function_exists( 'YIT_Asset' ) && ! is_admin() ) {
            $enqueue = true;
            YIT_Asset()->set( 'script', $handle, compact( 'src', 'deps', 'ver', 'in_footer', 'enqueue' ) );
        }
        else {
            wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer );
        }
    }
}

if ( ! function_exists( 'yit_enqueue_style' ) ) {
    /**
     * Enqueues style.
     *
     * Registers the style if src provided (does NOT overwrite) and enqueues.
     *
     * @since  2.0.0
     * @author Simone D'Amico <simone.damico@yithemes.com>
     * @see    yit_register_style() For parameter information.
     */
    function yit_enqueue_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) {

        if ( function_exists( 'YIT_Asset' ) ) {
            $enqueue = true;
            $who     = YIT_Asset()->get_stylesheet_handle( get_stylesheet_uri(), 'style' );
            $where   = 'before';

            if( false == $who ){
                $who = '';
            }

            YIT_Asset()->set( 'style', $handle, compact( 'src', 'deps', 'ver', 'media', 'enqueue' ), $where, $who );
        }
        else {
            wp_enqueue_style( $handle, $src, $deps, $ver, $media );
        }
    }
}

if ( ! function_exists( 'yit_get_post_meta' ) ) {
    /**
     * Retrieve the value of a metabox.
     *
     * This function retrieve the value of a metabox attached to a post. It return either a single value or an array.
     *
     * @param int    $id      Post ID.
     * @param string $meta    The meta key to retrieve.
     *
     * @return mixed Single value or array
     * @since    2.0.0
     */
    function yit_get_post_meta( $id, $meta ) {
        if ( ! strpos( $meta, '[' ) ) {
            return get_post_meta( $id, $meta, true );
        }

        $sub_meta = explode( '[', $meta );

        $meta = get_post_meta( $id, $meta, true );
        for ( $i = 0; $i < count( $sub_meta ); $i ++ ) {
            $meta = $meta[rtrim( $sub_meta[$i], ']' )];
        }

        return $meta;
    }
}

if ( ! function_exists( 'yit_string' ) ) {
    /**
     * Simple echo a string, with a before and after string, only if the main string is not empty.
     *
     * @param string $before What there is before the main string
     * @param string $string The main string. If it is empty or null, the functions return null.
     * @param string $after  What there is after the main string
     * @param bool   $echo   If echo or only return it
     *
     * @return string The complete string, if the main string is not empty or null
     * @since 2.0.0
     */
    function yit_string( $before = '', $string = '', $after = '', $echo = true ) {
        $html = '';

        if ( $string != '' AND ! is_null( $string ) ) {
            $html = $before . $string . $after;
        }

        if ( $echo ) {
            echo $html;
        }

        return $html;
    }
}


if ( ! function_exists( 'yit_pagination' ) ) {
    /**
     * Print pagination
     *
     * @param string $pages
     * @param int    $range
     *
     * @return string
     * @since 2.0.0
     */
    function yit_pagination( $pages = '', $range = 10 ) {
        $showitems = ( $range * 2 ) + 1;

        $paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : false;
        if ( $paged === false ) {
            $paged = ( get_query_var( 'page' ) ) ? get_query_var( 'page' ) : false;
        }
        if ( $paged === false ) {
            $paged = 1;
        }


        $html = '';

        if ( $pages == '' ) {
            global $wp_query;

            if ( isset( $wp_query->max_num_pages ) ) {
                $pages = $wp_query->max_num_pages;
            }

            if ( ! $pages ) {
                $pages = 1;
            }
        }

        if ( 1 != $pages ) {
            $html .= "<div class='general-pagination clearfix'>";
            if ( $paged > 2 ) {
                $html .= sprintf( '<a class="%s" href="%s">&laquo;</a>', 'yit_pagination_first', get_pagenum_link( 1 ) );
            }
            if ( $paged > 1 ) {
                $html .= sprintf( '<a class="%s" href="%s">&lsaquo;</a>', 'yit_pagination_previous', get_pagenum_link( $paged - 1 ) );
            }

            for ( $i = 1; $i <= $pages; $i ++ ) {
                if ( 1 != $pages && ( ! ( $i >= $paged + $range + 1 || $i <= $paged - $range - 1 ) || $pages <= $showitems ) ) {
                    $class = ( $paged == $i ) ? " class='selected'" : '';
                    $html .= "<a href='" . get_pagenum_link( $i ) . "'$class >$i</a>";
                }
            }

            if ( $paged < $pages ) {
                $html .= sprintf( '<a class="%s" href="%s">&rsaquo;</a>', 'yit_pagination_next', get_pagenum_link( $paged + 1 ) );
            }
            if ( $paged < $pages - 1 ) {
                $html .= sprintf( '<a class="%s" href="%s">&raquo;</a>', 'yit_pagination_last', get_pagenum_link( $pages ) );
            }

            $html .= "</div>\n";
        }

        echo apply_filters( 'yit_pagination_html', $html );
    }
}

if ( ! function_exists( 'yit_registered_sidebars' ) ) {
    /**
     * Retrieve all registered sidebars
     *
     * @return array
     * @since 2.0.0
     */
    function yit_registered_sidebars() {
        global $wp_registered_sidebars;

        $return = array();

        if ( empty( $wp_registered_sidebars ) ) {
            $return = array( '' => '' );
        }

        foreach ( ( array ) $wp_registered_sidebars as $the_ ) {
            $return[$the_['name']] = $the_['name'];
        }

        ksort( $return );

        return $return;
    }
}

if ( ! function_exists( 'yit_layout_option' ) ) {
    /**
     * Retrieve a layout option
     *
     * @param        $key
     * @param bool   $id
     * @param string $type
     * @param string $model
     *
     * @return array
     * @since 2.0.0
     */
    function yit_layout_option( $key, $id = false, $type = "post", $model = "post_type" ) {

        $option = '';

        if ( defined( 'YIT' ) ) {
            $option = YIT_Layout_Panel()->get_option( $key, $id, $type, $model );
        }
        else {
            if ( ! $id && ( is_single() || is_page() ) ) {
                global $post;
                $id = $post->ID;
            }
            elseif ( $id != 'all' ) {
                $option = get_post_meta( $id, $key );
            }
        }

        return $option;
    }
}

if ( ! function_exists( 'yit_curPageURL' ) ) {
    /**
     * Retrieve the current complete url
     *
     * @since 1.0
     */
    function yit_curPageURL() {
        $pageURL = 'http';
        if ( isset( $_SERVER["HTTPS"] ) AND $_SERVER["HTTPS"] == "on" ) {
            $pageURL .= "s";
        }

        $pageURL .= "://";

        if ( isset( $_SERVER["SERVER_PORT"] ) AND $_SERVER["SERVER_PORT"] != "80" ) {
            $pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
        }
        else {
            $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
        }

        return $pageURL;
    }
}

if ( ! function_exists( 'yit_get_excluded_categories' ) ) {
    /**
     *
     * Retrieve the escluded categories, set on Theme Options
     *
     * @param int $k
     *
     * @return string String with all id categories excluded, separated by a comma
     *
     * @since 2.0.0
     */

    function yit_get_excluded_categories( $k = 1 ) {

        global $post;

        if ( ! isset( $post->ID ) ) {
            return;
        }

        $cf_cats = get_post_meta( $post->ID, 'blog-cats', true);

        if ( ! empty( $cf_cats ) ){
            return $cf_cats;
        }

        $cats = function_exists( 'yit_get_option' ) ? yit_get_option( 'blog-excluded-cats' ) : '';


        if ( ! is_array( $cats ) || empty( $cats ) || ! isset( $cats[$k] ) ) {
            return;
        }

        $cats = array_map( 'trim', $cats[$k] );

        $i     = 0;
        $query = '';
        foreach ( $cats as $cat ) {
            $query .= ",-$cat";

            $i ++;
        }

        ltrim( ',', $query );

        return $query;
    }
}


if ( ! function_exists( 'yit_add_extra_theme_headers' ) ) {
    add_filter( 'extra_theme_headers', 'yit_add_extra_theme_headers' );

    /**
     * Check the framework core version
     *
     * @param $headers Array
     *
     * @return bool
     * @since  2.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_add_extra_theme_headers( $headers ) {
        $headers[] = 'Core Framework Version';
        return $headers;
    }
}

if ( ! function_exists( 'yit_check_plugin_support' ) ) {
    /**
     * Check the framework core version
     *
     * @return bool
     * @since  2.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_check_plugin_support() {
        $headers['core']   = wp_get_theme()->get( 'Core Framework Version' );
        $headers['author'] = wp_get_theme()->get( 'Author' );

        if ( ( ! empty( $headers['core'] ) && version_compare( $headers['core'], '2.0.0', '<=' ) ) || $headers['author'] != 'Your Inspiration Themes' ) {
            return true;
        }
        else {
            return false;
        }
    }
}

if( !function_exists( 'yit_ie_version' ) ) {
    /**
     * Retrieve IE version.
     *
     * @return int|float
     * @since 1.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_ie_version() {
        preg_match('/MSIE ([0-9]\.[0-9])/',$_SERVER['HTTP_USER_AGENT'],$reg);
        if ( ! isset( $reg[1] ) )
            { return -1; }
        else
            { return floatval( $reg[1] ); }
    }
}

if( ! function_exists( 'yit_avoid_duplicate' ) ) {
    /**
     * Check if something exists. If yes, add a -N to the value where N is a number.
     *
     * @param mixed $value
     * @param array $array
     * @param string $check
     * @return mixed
     * @since 2.0.0
     * @author Antonino Scarf� <antonino.scarfi@yithemes.com>
     */
    function yit_avoid_duplicate( $value, $array, $check = 'value' ) {
        $match = array();

        if( !is_array( $array ) ) {
            return $value;
        }

        if ( ( $check == 'value' && ! in_array( $value, $array ) ) || ( $check == 'key' && ! isset( $array[$value] ) ) ) {
            return $value;
        } else {
            if ( ! preg_match( '/([a-z]+)-([0-9]+)/', $value, $match ) ) {
                $i = 2;
            } else {
                $i = intval( $match[2] ) + 1;
                $value = $match[1];
            }

            return yit_avoid_duplicate( $value . '-' . $i, $array, $check );
        }
    }
}

if( !function_exists( 'yit_title_special_characters' ) ) {
    /**
     * The chars used in yit_decode_title() and yit_encode_title()
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="highlight">my title</span> with <br /> a new line
     *
     * @param  string  $title The string to convert
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_title_special_characters( $chars )
    {
        return array_merge( $chars, array(
            '/[=\[](.*?)[=\]]/' => '<span class="title-highlight">$1</span>',
            '/\|/' => '<br />',
        ) );
    }
    add_filter( 'yit_title_special_characters', 'yit_title_special_characters' );
}

if( !function_exists( 'yit_decode_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string  $title The string to convert
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_decode_title( $title )
    {
        $replaces = apply_filters( 'yit_title_special_characters', array() );

        return preg_replace( array_keys( $replaces ), array_values( $replaces ), $title );
    }
}

if( !function_exists( 'yit_encode_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string  $title The string to convert
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_encode_title( $title )
    {
        $replaces = apply_filters( 'yit_title_special_characters', array() );

        return preg_replace( array_values( $replaces ), array_keys( $replaces ), $title );
    }
}

if( !function_exists( 'yit_remove_chars_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string  $title The string to convert
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_remove_chars_title( $title )
    {
        $replaces = apply_filters( 'yit_title_special_characters', array() );

        return preg_replace( array_keys( $replaces ), '$1', $title );
    }
}

if( ! function_exists( 'is_shop_installed' ) ) {
    /**
     * Detect if there is a shop plugin installed
     *
     * @return bool
     * @since 2.0.0
     * @author Francesco Grasso <francesco.grasso@yithemes.com
     */
    function is_shop_installed() {
        global $woocommerce;
        if( isset( $woocommerce ) || defined( 'JIGOSHOP_VERSION' ) ) {
            return true;
        } else {
            return false;
        }
    }
}

if ( ! function_exists( 'yit_load_js_file' ) ) {
    /**
     * Load .min.js file if WP_Debug is not defined
     *
     * @param $filename The file name
     *
     * @return string The file path
     * @since  2.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_load_js_file( $filename ) {

        if ( ! ( ( defined( 'WP_DEBUG' ) && WP_DEBUG ) || ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ) ) {
            $filename = str_replace( '.js', '.min.js', $filename );
        }

        return $filename;
    }
}